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2024 Faculty Courses School of Science Department of Mathematics Graduate major in Mathematics

Advanced topics in Geometry H

Academic unit or major
Graduate major in Mathematics
Instructor(s)
Hisaaki Endo
Class Format
Lecture (Face-to-face)
Media-enhanced courses
-
Day of week/Period
(Classrooms)
5-6 Fri
Class
-
Course Code
MTH.B504
Number of credits
100
Course offered
2024
Offered quarter
4Q
Syllabus updated
Mar 14, 2025
Language
English

Syllabus

Course overview and goals

The aim of this lecture is to familiarize the students with the basic language of and some fundamental theorems for mapping class groups of surfaces. This course is a continuation of [MTH.B503 : Advanced topics in Geometry G].

Course description and aims

Students are expected to
・understand proofs of fundamental theorems on Lefschetz fibrations.

Keywords

Charts, fiber sums, stabilizations, Kirby diagrams, monodromy substitutions, rational blowdowns, holomorphicity, Stein surfaces.

Competencies

  • Specialist skills
  • Intercultural skills
  • Communication skills
  • Critical thinking skills
  • Practical and/or problem-solving skills

Class flow

Standard lecture course

Course schedule/Objectives

Course schedule Objectives
Class 1 General theory of charts Details will be provided in class.
Class 2 Stabilizations of Lefschetz fibrations Details will be provided in class.
Class 3 Fiber sums and hyperellipticity Details will be provided in class.
Class 4 Kirby diagrams and Kirby claculus Details will be provided in class.
Class 5 Monodromy substitutions and rational blowdowns Details will be provided in class.
Class 6 Relative invariants and holomorphicity Details will be provided in class.
Class 7 PALFs and Stein surfaces Details will be provided in class.

Study advice (preparation and review)

To enhance effective learning, students are encouraged to spend approximately 100 minutes preparing for class and another 100 minutes reviewing class content afterwards (including assignments) for each class.
They should do so by referring to textbooks and other course material.

Textbook(s)

None

Reference books, course materials, etc.

R. I. Gompf and A. I. Stipsicz, 4-Manifolds and Kirby Calculus, American Mathematical Society, 1999.
H. Endo and K. Hayano, 4-manifolds and fibrations, in Japanese, Kyoritsu Shuppan, 2024.

Evaluation methods and criteria

Homework assignments (100%)

Related courses

  • MTH.B202 : Introduction to Topology II
  • MTH.B301 : Geometry I
  • MTH.B302 : Geometry II
  • MTH.B341 : Topology
  • MTH.B503 : Advanced topics in Geometry G

Prerequisites

Basic algebraic topology (homology, cohomology, and the fundamental group), smooth manifolds, and the previous quarter of this class.

Other

To be announced.